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  1. #1
    Join Date
    Dec 2003
    Location
    Canberra
    Age
    42
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    42

    Default A new type of 12V down light

    In the latest Jaycar flyer i found a replacement for halogen downlights, these things have 20 light emitting diodes in them and are compareable to a 15 Watt halogen, the advantage is they only draw around 2 watts so you could run a **** tin of them of them off one transformer. They are on special for $10 at the moment over the internet.

    MR-16 lamp

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  3. #2
    Join Date
    Jul 2004
    Location
    queensland
    Posts
    154

    Default

    Personally I would like to see them in the flesh to check out the quality of the light. As for running multiple lights of one tranny. Why would you bother as you get light and tranny as a set cheap enough and you run the risk of catching some poor bugger out in the future when they replace a bulb/s and overload the circuit. :eek:
    Plausible deniability is the key to success

  4. #3
    Join Date
    Jun 2001
    Location
    South Australia
    Age
    51
    Posts
    201

    Default

    I use one of those Mercury Vapour lights, I think they range from 250-400 watts. I have noticed that down here in SA a lot of those lights people used in hydroponics are being sold very cheap, around $20. I am not sure if they are the same design but it might be worth a try. Could even grow hair on people's head that are hair deficient!!

    Regards tony

  5. #4
    Join Date
    Jun 2004
    Location
    Perth WA
    Posts
    1,764

    Default

    Quote Originally Posted by MarkV
    Personally I would like to see them in the flesh to check out the quality of the light. As for running multiple lights of one tranny. Why would you bother as you get light and tranny as a set cheap enough and you run the risk of catching some poor bugger out in the future when they replace a bulb/s and overload the circuit. :eek:
    Mark, I recently bought two halogen down lights for my computer desk and paid a Motza. Whats a good brand and price?? Iv'e been so impressed by the lights, after putting lower wattage bulbs in (nearly cooked me desk) that I'm going to remove the old scungy dingle dangle thing in the slave chambe...oops, Main Bedroom and put in some more down lights.


    Cheers
    Squizzy

    "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" {screamed by maths teacher in Year 8}

  6. #5
    Join Date
    Oct 2003
    Location
    Gold Coast,Australia
    Age
    49
    Posts
    350

    Default

    i will have to check these out. i have 10 HPM uplights set into my concrete driveway. these would look pretty smart instead of the standard halogen bulbs. I hope they come in blue.

    G

  7. #6
    Join Date
    Jun 2003
    Location
    Western Sydney
    Posts
    245

    Default

    They are efficient - consume 12 watts not 2W and long life. Eqv standard MR16 need to be around 50W for same light output.

    Added advantage is that all LEDs will not fail together so you get a warning. do not expect a uniform light beam, it is more like a 25deg spot but high visibility.

    Regards,

    Theva

  8. #7
    Join Date
    Mar 2004
    Location
    Hornsby, NSW
    Age
    49
    Posts
    453

    Default

    Squizzy,

    I would think twice before putting down lights in the bedroom and instead put in a simple oyster light (personal preference of course). Downlights only light a certain area where oyster lights give a softer ambient light throughout the room. Unless you have a downlight directly overhead, they will cast a shadow when you are reading a book in bed. Plus a dimmer switch is cheaper ($12) for a normal light compared to a dimmer fo a low voltage down light ($50-60). So unless you want to put something under the spotlight in your bedroom, I would stick to an oyster light.

    Slavo
    If I do not clearly express what I mean, it is either for the reason that having no conversational powers, I cannot express what I mean, or that having no meaning, I do not mean what I fail to express. Which, to the best of my belief, is not the case.
    Mr. Grewgious, The Mystery of Edwin Drood - Charles Dickens

  9. #8
    Join Date
    Nov 2003
    Location
    Australia and France
    Posts
    8,175

    Default

    Slavo,

    For what it's worth, we have had 12v downlights as reading lights over the bed for over 15 years.

    First time we used a focus-able fitting which was relatively expensive, but in our current house have a simple $25.00 eyeball with a dimmer.

    Positioned about 600 off the wall and more-or-less in line with the edge of the bed, light can be directed to suit your personal "reading style".

    Keep them about half dimmed if not actually reading and they have quite a soft light.

    Of course you need other lights for general illumination, in our current situation three 12v wall washers.

    How do the LED's go for dimming?

    Cheers,

    P

  10. #9
    Join Date
    Jun 2004
    Location
    Perth WA
    Posts
    1,764

    Default

    Thanks Slavo and Pete.

    So how much should I pay for a standard downlight. I'm sure, on the ones I put in my computer desk ($40.00 ea), that the packaging said "dimmable" on the 240 volt side so a standard dimmer would work.

    Most LED's respond directly to voltage so should be dimmable. Noticed you can get LED trailer/truck lights from Hella now.

    I might go with the oyster light. I have seen them but what do they use for the illuming bit. Is it Halogen? or can you use a tungsten replacement longlife flouro??. Have no idea whats in them.


    Cheers
    Squizzy

    "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" {screamed by maths teacher in Year 8}

  11. #10
    Join Date
    Mar 2004
    Location
    Hornsby, NSW
    Age
    49
    Posts
    453

    Default

    Squizzy,

    My mate is a sparky and gets his down lights with transformer for $21 each. When I get home I will see what brand they are. He put some in an RSL about 3 years ago, which are on just about 24/7 and they haven't blown a globe yet. Plus the surround is powdercoated and not painted, so they stay a nice white colour and don't yellow like the cheaper painted ones.

    We bought a couple of oyster lights that take 2 normal bulbs but I have seen them with those circular flouros
    If I do not clearly express what I mean, it is either for the reason that having no conversational powers, I cannot express what I mean, or that having no meaning, I do not mean what I fail to express. Which, to the best of my belief, is not the case.
    Mr. Grewgious, The Mystery of Edwin Drood - Charles Dickens

  12. #11
    Join Date
    Jul 2004
    Location
    queensland
    Posts
    154

    Default

    Sorry Squizz haven't been watching this thread. Pierlite make good ones for about $20 with a dimmer about $15 bucks Low voltage are the go as the bulbs are cheap. About $5 and available at Woolies. Try jaycar.com.au and type in downlight and it will give you some idea of prices and options and for GCP10 they have coloured ones I personally have always used regular dimmers as the low voltage dimmers are too exxy and not really needed. All the Leccy's I have talked too do the same. Been running for years now and no probs at all.
    Plausible deniability is the key to success

  13. #12
    Join Date
    Jan 2004
    Location
    Kilmore, near Melbourne, Australia
    Age
    66
    Posts
    1,879

    Default

    it's estimated that LED lighting will take over from all other in the not-too-distant-future..... far more efficient apparently and longer lasting


    - I paid $13 per kit last time I bought (24) ELV Downlights
    Steve
    Kilmore (Melbourne-ish)
    Australia

    ....catchy phrase here

  14. #13
    Join Date
    Mar 2004
    Location
    Hornsby, NSW
    Age
    49
    Posts
    453

    Default

    The downlights my sparky mate uses are called aussie gimbals and he gets them from his wholesaler. It is preferential that the surround is powder coated rather than painted, because it wont change colour over time.
    Aparently LEDs are getting really popular in places like Japan and it will only be a matter of time before Australia gets into the act.
    If I do not clearly express what I mean, it is either for the reason that having no conversational powers, I cannot express what I mean, or that having no meaning, I do not mean what I fail to express. Which, to the best of my belief, is not the case.
    Mr. Grewgious, The Mystery of Edwin Drood - Charles Dickens

  15. #14
    Join Date
    Dec 2003
    Location
    Canberra
    Age
    42
    Posts
    42

    Default

    Most of the level crossings and traffic lights on the North side of Brisbane are using LEDs. You can even buy LEDs with a bayonet fitting on the end to replace the brake lights in your car.

  16. #15
    Join Date
    Oct 2003
    Location
    Gold Coast,Australia
    Age
    49
    Posts
    350

    Default

    the speed limit signs in melbourne are LED Based now.

    G

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